/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
    display: inline-block;
    padding: 8px 16px;
    font-size: var(--font-size-base);
    font-weight: 500;
    font-family: inherit;
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    color: var(--text-on-primary);
    background: var(--color-primary);
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.btn:hover { background: var(--color-primary-light); text-decoration: none; color: var(--text-on-primary); }
.btn-secondary { background: transparent; border-color: var(--color-primary); color: var(--color-primary); }
.btn-secondary:hover { background: rgba(44,43,128,0.08); color: var(--color-primary); }
[data-theme="dark"] .btn-secondary { border-color: var(--color-primary-light); color: var(--color-primary-light); }
[data-theme="dark"] .btn-secondary:hover { background: rgba(61,60,158,0.2); }
.btn-danger { background: var(--color-danger); }
.btn-danger:hover { background: var(--color-danger-hover); }
.btn-success { background: var(--color-success); }
.btn-success:hover { background: var(--color-success-hover); }
.btn-sm { padding: 4px 10px; font-size: var(--font-size-sm); }
.btn-group { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

/* ============================================================
   FORM CONTROLS
   ============================================================ */
.form-control,
.form-select {
    width: 100%;
    padding: 10px 12px;
    font-size: var(--font-size-base);
    font-family: inherit;
    color: var(--text-primary);
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: var(--radius-sm);
    outline: none;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.form-control:focus,
.form-select:focus {
    border-color: var(--input-focus-border);
    box-shadow: 0 0 0 2px var(--input-focus-shadow);
}
textarea.form-control { resize: vertical; min-height: 80px; }
.form-control:disabled,
.form-control[readonly],
.form-select:disabled {
    background: var(--bg-muted);
    cursor: not-allowed;
    opacity: 0.7;
}
.form-select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='none' stroke='%23787984' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 12px;
    padding-right: 36px;
}
[data-theme="dark"] .form-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='none' stroke='%2394a3b8' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3E%3C/svg%3E");
}

/* ============================================================
   FLOATING LABELS
   ============================================================ */
.form-floating {
    position: relative;
    margin-bottom: 15px;
}
.form-floating > .form-control,
.form-floating > .form-select {
    height: 48px;
    padding: 20px 12px 6px;
}
.form-floating > textarea.form-control {
    height: auto;
    min-height: 80px;
    padding-top: 24px;
}
.form-floating > .form-select {
    padding-right: 36px;
}
.form-floating > label {
    position: absolute;
    top: 0;
    left: 0;
    padding: 13px 12px;
    pointer-events: none;
    transform-origin: 0 0;
    transition: transform 0.15s ease, color 0.15s ease, font-size 0.15s ease;
    color: var(--text-secondary);
    font-weight: 400;
    font-size: var(--font-size-base);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: calc(100% - 24px);
}
.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label,
.form-floating > .form-select ~ label,
.form-floating > input[type="date"] ~ label {
    transform: translateY(-6px);
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    font-weight: 500;
}
[data-theme="dark"] .form-floating > .form-control:focus ~ label,
[data-theme="dark"] .form-floating > .form-control:not(:placeholder-shown) ~ label,
[data-theme="dark"] .form-floating > .form-select ~ label,
[data-theme="dark"] .form-floating > input[type="date"] ~ label {
    color: var(--text-primary);
}

/* ============================================================
   CUSTOM CHECKBOXES
   ============================================================ */
.form-check {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-weight: normal;
    color: var(--text-primary);
}
.form-check input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border: 2px solid var(--input-border);
    border-radius: 3px;
    cursor: pointer;
    flex-shrink: 0;
    position: relative;
    background: var(--input-bg);
    transition: background 0.15s ease, border-color 0.15s ease;
    margin: 0;
}
.form-check input[type="checkbox"]:checked {
    background: var(--color-primary);
    border-color: var(--color-primary);
}
.form-check input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 5px;
    width: 5px;
    height: 9px;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* ============================================================
   FORM GROUP (legacy / non-floating)
   ============================================================ */
.form-group { margin-bottom: 15px; }
.form-group label { display: block; margin-bottom: 5px; font-weight: 600; color: var(--color-gray); font-size: var(--font-size-base); }
.form-inline { display: inline; }